.cframe {
  border-top: 1px solid #00f;
  border-bottom: 1px solid #00f;
  border-left: 1px solid #00f;
  border-right: 1px solid #00f;
  border-radius: 5px;
  padding: 10px;
}
.line {
  margin-top: 10px;
  height: 1px;
  border-top: 1px solid #ddd;
  text-align: center;
  margin-bottom: 10px;
}
pre {
  padding: 5px;
}
.string {
  color: green;
}
.number {
  color: darkorange;
}
.boolean {
  color: blue;
}
.null {
  color: magenta;
}
.key {
  color: red;
}